dbSNP rs782072699: ATRX:c.5787-16_5787-5delGTTTGTTTGTTT (chrX-77599584-AAAACAAACAAAC-A) – ACMG Classification: Uncertain_significance (0 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 0 ACMG points: 0P and 0B.

The NM_000489.6(ATRX):c.5787-16_5787-5delGTTTGTTTGTTT variant causes a splice region, intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000000912 in 1,096,943 control chromosomes in the GnomAD database, with no homozygous occurrence. There are no hemizygote samples in GnomAD. It is difficult to determine the true allele frequency of this variant because it is of type DEL_BIG, and the frequency of such variant types in population databases may be underestimated and unreliable. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

Frequency

Genomes: not found (cov: 22)

Exomes 𝑓: 9.1e-7 ( 0 hom. 0 hem. )

Consequence

ATRX
NM_000489.6 splice_region, intron

Scores

Not classified

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 2.95

Publications

0 publications found

Variant links:

Genes affected

ATRX (HGNC:886): (ATRX chromatin remodeler) The protein encoded by this gene contains an ATPase/helicase domain, and thus it belongs to the SWI/SNF family of chromatin remodeling proteins. This protein is found to undergo cell cycle-dependent phosphorylation, which regulates its nuclear matrix and chromatin association, and suggests its involvement in the gene regulation at interphase and chromosomal segregation in mitosis. Mutations in this gene are associated with X-linked syndromes exhibiting cognitive disabilities as well as alpha-thalassemia (ATRX) syndrome. These mutations have been shown to cause diverse changes in the pattern of DNA methylation, which may provide a link between chromatin remodeling, DNA methylation, and gene expression in developmental processes. Multiple alternatively spliced transcript variants encoding distinct isoforms have been reported. [provided by RefSeq, Jul 2017]

ATRX Gene-Disease associations (from GenCC):

alpha thalassemia-X-linked intellectual disability syndrome
Inheritance: XL Classification: DEFINITIVE, STRONG, SUPPORTIVE Submitted by: G2P, Labcorp Genetics (formerly Invitae), Orphanet, Ambry Genetics
ATR-X-related syndrome
Inheritance: XL Classification: DEFINITIVE Submitted by: ClinGen
intellectual disability-hypotonic facies syndrome, X-linked, 1
Inheritance: XL Classification: MODERATE Submitted by: Ambry Genetics

ATRX links:

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ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 0 ACMG points.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
ATRX	NM_000489.6 link	c.5787-16_5787-5delGTTTGTTTGTTT		splice_region_variant, intron_variant	Intron 24 of 34	ENST00000373344.11	NP_000480.3

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
ATRX	ENST00000373344.11 link	c.5787-16_5787-5delGTTTGTTTGTTT		splice_region_variant, intron_variant	Intron 24 of 34	1	NM_000489.6	ENSP00000362441.4

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

9.12e-7

AC:

AN:

1096943

Hom.:

AF XY:

0.00

AC XY:

AN XY:

362457

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

26344

American (AMR)

AF:

0.00

AC:

AN:

35194

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

19368

East Asian (EAS)

AF:

0.00

AC:

AN:

30174

South Asian (SAS)

AF:

0.00

AC:

AN:

54091

European-Finnish (FIN)

AF:

0.00

AC:

AN:

40518

Middle Eastern (MID)

AF:

0.00

AC:

AN:

4133

European-Non Finnish (NFE)

AF:

0.00000119

AC:

AN:

841070

Other (OTH)

AF:

0.00

AC:

AN:

46051

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.425

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Variant carriers

<30

30-35

35-40

40-45

45-50

50-55

55-60

60-65

65-70

70-75

75-80

>80

Age

GnomAD4 genome

Cov.:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

PhyloP100

3.0

Splicing

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Publications

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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over